白色结晶   1-METHYLPIPERAZINE DIHYDROCHLORIDE 98%;1-Methylpiperazine dihydrochloride,98%;N-Methyl piperazine hydrochloride;1-METHYLPIPERAZINE D;TIMTEC-BB SBB003822;1-METHYLPIPERAZINE DIHYDROCHLORIDE;1-Methylpiperazine2HClChemicalBook